Dissociative Amnesia: Commonest clinical type of dissociative disorder. Occurs mostly in adolescent and young adults. Severe psychological trauma, the patient temporarily and unconsciously shuts down the memory of the traumatic event Circumscribed loss of traumatic memory is seen in these individuals The other memories are intact and this cannot be explained by normal forgetting Treatment: Suppoive psychotherapy Identify trauma related cognitive distoions and help the individual cope with adaptive behaviours Drug assisted interview could be beneficial to elicit information- abreaction